Home / 104,419.64-144,099.32-61,986.68

Finding the Fourth Proportional to 104,419.64, 144,099.32 and 61,986.68

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Solution

The fourth proportional to 104,419.64, 144,099.32 and 61,986.68 is: 85,541.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,419.64 : 144,099.32 = 61,986.68 : x
  2. Step 2: Convert to fraction form
    104,419.64/144,099.32 = 61,986.68/x
  3. Step 3: Cross multiply
    104,419.64x = 144,099.32 × 61,986.68
  4. Step 4: Simplify right side
    104,419.64x = 8,932,238,437.06
  5. Step 5: Solve for x
    x = 8,932,238,437.06/104,419.64
  6. Step 6: Final answer
    x = 85,541.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.